--- /dev/null
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.parser.spi.meta;
+
+import com.google.common.annotations.Beta;
+import java.util.NavigableMap;
+import org.opendaylight.yangtools.concepts.SemVer;
+import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
+
+/**
+ * Namespace class for storing Maps of all modules with the same name. This namespace is
+ * used only in case the semantic versioning is enabled, otherwise it is empty.
+ */
+@Beta
+public interface SemanticVersionModuleNamespace extends IdentifierNamespace<String, NavigableMap<SemVer, StmtContext<?, ?, ?>>> {
+}